RES
1r:r1
REP
REP1:2o(4+1)2d=-1--1
RES
2b:a-lgal-HEX-1:5
3s:sulfate
4b:a-lgal-HEX-1:5
5s:sulfate
LIN
1:2o(3+1)3n
2:2o(6+1)4d
3:4o(3+1)5n